Recognize group allies in bribes and deals

docs/RULE_DECISIONS.md

@@ -1,5 +1,11 @@
 # Rule decision index
 
+## Group bribes and public deals — 28 October 2026
+
+Each member of a staged group is treated as allied to both others for the
+existing nonallied bribe and public-deal restrictions; the multi-party
+pairwise policy remains provisional. [Scope](PUBLIC_DEALS.md#staged-group-alliances--28-october-2026).
+
 ## Group Guild transport — 28 October 2026
 
 The staged Basic group prototype provisionally gives each Guild ally its